Hummer H3. Manual — part 542

6. Start the engine and inspect for leaks.

OIL PAN REPLACEMENT

Removal Procedure

Fig. 188: Transmission Cooler Lines And Brackets
Courtesy of GENERAL MOTORS CORP.

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection

and Connection .

2. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube

Replacement.

3. Remove the front differential and secure to the frame. Refer to Differential Carrier

Assembly Replacement .

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

4. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement.

5. Remove the transmission oil cooler lines (1) from the retainer (2).

6. Remove the transmission oil cooler line retaining bracket bolt (3) and bracket (4).

7. Remove the inner axle shaft. Refer to Front Drive Axle Inner Shaft and Inner Shaft

Housing Replacement .

8. Remove the starter. Refer to Starter Motor Replacement (LH8) .

9. Remove the flywheel inspection cover from the left side of the transmission.

Fig. 189: View Of Battery Cable Channel & Bolt
Courtesy of GENERAL MOTORS CORP.

10. Remove the battery cable channel bolt from the front of the oil pan.

11. Remove the battery cable channel from the oil pan.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 190: View Of A/C Compressor Bracket Bolts
Courtesy of GENERAL MOTORS CORP.

12. Loosen the 2 upper air conditioning (A/C) compressor bracket bolts (4).

13. Remove the 2 lower A/C compressor bracket bolts (3).

Position the A/C compressor aside and secure.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 191: View Of Lower Bellhousing Bolts
Courtesy of GENERAL MOTORS CORP.

14. Remove the 2 lower bellhousing bolts (1).

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3